Hollandite Cleavage
When it comes to choosing the best pick among Grey Gemstones gemstones, Hollandite is known to be a popular choice!Physical properties of Hollandite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Hollandite Optical Properties are responsible for imparting various physical properties to its structure. Knowledge of these properties is equally important to gem-cutters as well as to consumers. Hollandite cleavage is nothing but the plane across which the crystal splits during cutting. Hollandite cleavage is Distinct / Good, Prismatic,and specific gravity of Hollandite is 5.05.
The physical properties of Hollandite, in fact, are imparted by the chemical composition of its individual molecule. The reactivity or inertness of the crystal is solely governed by its chemical structure. Chemical composition of Hollandite is represented by Ba(Mn++++,Mn++)8O16.